Home / 13,861.57-19,135.26-8,832.69

Finding the Fourth Proportional to 13,861.57, 19,135.26 and 8,832.69

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Solution

The fourth proportional to 13,861.57, 19,135.26 and 8,832.69 is: 12,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.57 : 19,135.26 = 8,832.69 : x
  2. Step 2: Convert to fraction form
    13,861.57/19,135.26 = 8,832.69/x
  3. Step 3: Cross multiply
    13,861.57x = 19,135.26 × 8,832.69
  4. Step 4: Simplify right side
    13,861.57x = 169,015,819.65
  5. Step 5: Solve for x
    x = 169,015,819.65/13,861.57
  6. Step 6: Final answer
    x = 12,193.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.